Influence of the pre-stress in Terfenol-fiber Bragg grating integrated magnetic field sensors

C. Ambrosino; S. Campopiano; A. Cusano; A. Cutolo; D. Davino; C. Visone

doi:10.1117/12.738545

2 July 2007 Influence of the pre-stress in Terfenol-fiber Bragg grating integrated magnetic field sensors

C. Ambrosino, S. Campopiano, A. Cusano, A. Cutolo, D. Davino, C. Visone

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 661929 (2007) https://doi.org/10.1117/12.738545
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

This paper presents the first results on the use of the pre-stress to improve the performance of a magnetic field sensor based on a Terfenol-Fiber Bragg Grating integrated device. Indeed, since the pre-stress modifies the response of the magnetostrictive material, this should allow to fit the performances of the sensor to different operative conditions or to exploit also the stress as a control variable to optimize the design of the sensor.

Citation Download Citation

C. Ambrosino, S. Campopiano, A. Cusano, A. Cutolo, D. Davino, and C. Visone "Influence of the pre-stress in Terfenol-fiber Bragg grating integrated magnetic field sensors", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 661929 (2 July 2007); https://doi.org/10.1117/12.738545

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